public class e5_1{
  public static void main(String args[]){
    Student zhang = new Student();
	zhang.age =17;
	zhang.number=100101;
	zhang.showPeopleMess();
	zhang.tellNumber();
	int x=9,y=29;
	System.out.print("会做加法：");
	int result=zhang.add(x,y);
	System.out.printf("%d+%d=%d\n",x,y,result);
	UniverStudent geng = new UniverStudent();
	geng.age =21;
	geng.number=6609;
	geng.showPeopleMess();
	geng.tellNumber();
	System.out.print("会做加法:");
	result=geng.add(x,y);
        System.out.printf("%d+%d=%d\n",x,y,result);
	System.out.print("会做乘法:");
	result=geng.multi(x,y);
	System.out.printf("%d*%d=%d\n",x,y,result);
	}
}
